A geographic information systems (GIS) and spatial modeling approach to assessing indoor radon potential at local level

被引:2
|
作者
Lacan, I [1 ]
Zhou, JY [1 ]
Liu, KS [1 ]
Waldman, J [1 ]
机构
[1] Calif Dept Hlth Serv, Environm Hlth Lab Branch, Richmond, CA 94804 USA
关键词
geographic information systems (GIS); indoor radon; Monte Carlo; spatial analysis; earthquake epicenters;
D O I
10.1016/j.apradiso.2005.10.005
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
This study integrates residential radon data from previous studies in Southern California (USA), into a geographic information system (GIS) linked with statistical techniques. A difference (p < 0.05) is found in the indoor radon in residences grouped by radon-potential zones. Using a novel Monte Carlo approach, we found that the mean distance from elevated-radon residences (concentration > 74 Bq m(-3)) to epicenters of large (> 4 Richter) earthquakes was smaller (p < 0.0001) than the average residence-to-epicenter distance, suggesting an association between the elevated indoor-radon and seismic activities. (c) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码:490 / 496
页数:7
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